Coastal sedimentation associated with the December 12th, 1992 tsunami in Flores,Indonesia |
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| Authors: | Shaozhong Shi Alastair G Dawson David E Smith |
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| Institution: | (1) School of Applied Science and Computer Studies, Inverness College, IV1 1SA, UK;(2) Division of Geography, School of Natural and Environmental Sciences, Coventry University, CV1 5FB, UK |
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| Abstract: | This paper presents the result of a detailed granulometric investigation of sediments deposited by a modern tsunami, the 1992 tsunami in Flores, Indonesia. Eyewitness accounts indicate that sediments were deposited upon coastal lowlands over wide areas as a result of the tsunami inundation. Distinctive vertical and lateral variations in particle size composition are characteristic features of the tsunami deposits and these are intimately related to sedimentary processes associated with flood inundation. The geomorphological and sedimentary evidence is used here to establish a preliminary model of tsunami sedimentation. This information is believed to be of great value in understanding sedimentary processes associated with tsunami flooding and in the interpretation of palaeo-tsunami deposits. |
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| Keywords: | Tsunami coastal sedimentation sorting processes particle size modal population geomorphology sediment |
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